runsonwhat

Relay's tech stack

What does Relay use?

Relay (pickrelay.com) uses at least 13 tools we can see from public records, including Vercel for hosting, Google Workspace for email and documents, PostHog for analytics and Brevo for marketing. Last checked .

Tools found
13
Categories
9
Layers
5 of 5
Last checked
Oct 2026

Relay's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

2 tools, where the bytes are served from

Hosting & Cloud

Application

1 tool, what the product is built with

Data & Observability

5 tools, what they measure and store

Go-to-market

2 tools, how they find and keep customers

Company Ops

3 tools, what the team runs on day to day

Security & Compliance

Relay tech stack FAQ

What tools does Relay use?

As of November 2026, runsonwhat has found 13 tools at Relay (pickrelay.com) in public records. Edge & Hosting: Vercel and Namecheap. Application: Next.js. Data & Observability: Sentry, web-vitals and PostHog. Go-to-market: Brevo. Company Ops: Google Workspace, Mailchimp Transactional and CookieYes. Last checked October 31, 2026.

What cloud does Relay run on?

Relay uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through a subdomain that points at Vercel and DNS records. Vercel is used by 51,889 companies runsonwhat tracks.

What email provider does Relay use?

Relay uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 414,562 companies runsonwhat tracks.

What analytics tools does Relay use?

Relay uses PostHog for analytics, alongside Vercel Analytics and Plausible, according to runsonwhat (November 2026). runsonwhat found PostHog through PostHog code on pickrelay.com. PostHog is used by 10,805 companies runsonwhat tracks.

What marketing software does Relay use?

Relay uses Brevo for marketing, according to runsonwhat (November 2026). runsonwhat found Brevo through a DNS verification record for Brevo. Brevo is used by 82,074 companies runsonwhat tracks.

What monitoring tools does Relay use?

Relay uses Sentry for monitoring, alongside web-vitals, according to runsonwhat (November 2026). runsonwhat found Sentry through Sentry code on pickrelay.com. Sentry is used by 80,079 companies runsonwhat tracks.

Does Relay use Next.js?

Yes. runsonwhat found Next.js at Relay through Next.js code on pickrelay.com. Next.js is a Frontend tool used by 69,392 companies runsonwhat tracks.

How does runsonwhat know what Relay uses?

runsonwhat reads public records only. Of the 13 tools at Relay, 7 were found through code on pickrelay.com, 3 through DNS records, 2 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and pickrelay.com about monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.